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Postings from February 2009
* Zefram <zefram@fysh.org> [2009-02-10 15:55]: > Aristotle Pagaltzis wrote: > >(?>(?:x.|.x)+) > > In this case, to tell Perl that no backtracking is required, > if that is the case, then the inner (?:) also needs to become > (?>). Is that the point you were trying to make? Yes. I *think* it is possible to eliminate backtracking if the only thing inside a posessive grouping is another quantified posessive grouping and nothing else. I can’t come up with a counterexample, at least. Someone else might, though. Regards, -- Aristotle Pagaltzis // <http://plasmasturm.org/>Thread Previous